/* * Copyright 2009 Advanced Micro Devices, Inc. * Copyright 2009 Red Hat Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER * DEALINGS IN THE SOFTWARE. * */ #include "drmP.h" #include "drm.h" #include "radeon_drm.h" #include "radeon.h" #include "r600d.h" #include "r600_blit_shaders.h" #define DI_PT_RECTLIST 0x11 #define DI_INDEX_SIZE_16_BIT 0x0 #define DI_SRC_SEL_AUTO_INDEX 0x2 #define FMT_8 0x1 #define FMT_5_6_5 0x8 #define FMT_8_8_8_8 0x1a #define COLOR_8 0x1 #define COLOR_5_6_5 0x8 #define COLOR_8_8_8_8 0x1a /* emits 21 on rv770+, 23 on r600 */ static void set_render_target(struct radeon_device *rdev, int format, int w, int h, u64 gpu_addr) { u32 cb_color_info; int pitch, slice; h = ALIGN(h, 8); if (h < 8) h = 8; cb_color_info = ((format << 2) | (1 << 27)); pitch = (w / 8) - 1; slice = ((w * h) / 64) - 1; radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_BASE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, gpu_addr >> 8); if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) { radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_BASE_UPDATE, 0)); radeon_ring_write(rdev, 2 << 0); } radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_SIZE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, (pitch << 0) | (slice << 10)); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_VIEW - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_INFO - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, cb_color_info); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_TILE - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_FRAG - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (CB_COLOR0_MASK - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); } /* emits 5dw */ static void cp_set_surface_sync(struct radeon_device *rdev, u32 sync_type, u32 size, u64 mc_addr) { u32 cp_coher_size; if (size == 0xffffffff) cp_coher_size = 0xffffffff; else cp_coher_size = ((size + 255) >> 8); radeon_ring_write(rdev, PACKET3(PACKET3_SURFACE_SYNC, 3)); radeon_ring_write(rdev, sync_type); radeon_ring_write(rdev, cp_coher_size); radeon_ring_write(rdev, mc_addr >> 8); radeon_ring_write(rdev, 10); /* poll interval */ } /* emits 21dw + 1 surface sync = 26dw */ static void set_shaders(struct radeon_device *rdev) { u64 gpu_addr; u32 sq_pgm_resources; /* setup shader regs */ sq_pgm_resources = (1 << 0); /* VS */ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset; radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_START_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, gpu_addr >> 8); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_RESOURCES_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, sq_pgm_resources); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_VS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); /* PS */ gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.ps_offset; radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_START_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, gpu_addr >> 8); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_RESOURCES_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, sq_pgm_resources | (1 << 28)); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_EXPORTS_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 2); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 1)); radeon_ring_write(rdev, (SQ_PGM_CF_OFFSET_PS - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, 0); gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.vs_offset; cp_set_surface_sync(rdev, PACKET3_SH_ACTION_ENA, 512, gpu_addr); } /* emits 9 + 1 sync (5) = 14*/ static void set_vtx_resource(struct radeon_device *rdev, u64 gpu_addr) { u32 sq_vtx_constant_word2; sq_vtx_constant_word2 = ((upper_32_bits(gpu_addr) & 0xff) | (16 << 8)); #ifdef __BIG_ENDIAN sq_vtx_constant_word2 |= (2 << 30); #endif radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7)); radeon_ring_write(rdev, 0x460); radeon_ring_write(rdev, gpu_addr & 0xffffffff); radeon_ring_write(rdev, 48 - 1); radeon_ring_write(rdev, sq_vtx_constant_word2); radeon_ring_write(rdev, 1 << 0); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, SQ_TEX_VTX_VALID_BUFFER << 30); if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV620) || (rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880) || (rdev->family == CHIP_RV710)) cp_set_surface_sync(rdev, PACKET3_TC_ACTION_ENA, 48, gpu_addr); else cp_set_surface_sync(rdev, PACKET3_VC_ACTION_ENA, 48, gpu_addr); } /* emits 9 */ static void set_tex_resource(struct radeon_device *rdev, int format, int w, int h, int pitch, u64 gpu_addr) { uint32_t sq_tex_resource_word0, sq_tex_resource_word1, sq_tex_resource_word4; if (h < 1) h = 1; sq_tex_resource_word0 = (1 << 0); sq_tex_resource_word0 |= ((((pitch >> 3) - 1) << 8) | ((w - 1) << 19)); sq_tex_resource_word1 = (format << 26); sq_tex_resource_word1 |= ((h - 1) << 0); sq_tex_resource_word4 = ((1 << 14) | (0 << 16) | (1 << 19) | (2 << 22) | (3 << 25)); radeon_ring_write(rdev, PACKET3(PACKET3_SET_RESOURCE, 7)); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, sq_tex_resource_word0); radeon_ring_write(rdev, sq_tex_resource_word1); radeon_ring_write(rdev, gpu_addr >> 8); radeon_ring_write(rdev, gpu_addr >> 8); radeon_ring_write(rdev, sq_tex_resource_word4); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, SQ_TEX_VTX_VALID_TEXTURE << 30); } /* emits 12 */ static void set_scissors(struct radeon_device *rdev, int x1, int y1, int x2, int y2) { radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(rdev, (PA_SC_SCREEN_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, (x1 << 0) | (y1 << 16)); radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(rdev, (PA_SC_GENERIC_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31)); radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONTEXT_REG, 2)); radeon_ring_write(rdev, (PA_SC_WINDOW_SCISSOR_TL - PACKET3_SET_CONTEXT_REG_OFFSET) >> 2); radeon_ring_write(rdev, (x1 << 0) | (y1 << 16) | (1 << 31)); radeon_ring_write(rdev, (x2 << 0) | (y2 << 16)); } /* emits 10 */ static void draw_auto(struct radeon_device *rdev) { radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 1)); radeon_ring_write(rdev, (VGT_PRIMITIVE_TYPE - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); radeon_ring_write(rdev, DI_PT_RECTLIST); radeon_ring_write(rdev, PACKET3(PACKET3_INDEX_TYPE, 0)); radeon_ring_write(rdev, #ifdef __BIG_ENDIAN (2 << 2) | #endif DI_INDEX_SIZE_16_BIT); radeon_ring_write(rdev, PACKET3(PACKET3_NUM_INSTANCES, 0)); radeon_ring_write(rdev, 1); radeon_ring_write(rdev, PACKET3(PACKET3_DRAW_INDEX_AUTO, 1)); radeon_ring_write(rdev, 3); radeon_ring_write(rdev, DI_SRC_SEL_AUTO_INDEX); } /* emits 14 */ static void set_default_state(struct radeon_device *rdev) { u32 sq_config, sq_gpr_resource_mgmt_1, sq_gpr_resource_mgmt_2; u32 sq_thread_resource_mgmt, sq_stack_resource_mgmt_1, sq_stack_resource_mgmt_2; int num_ps_gprs, num_vs_gprs, num_temp_gprs, num_gs_gprs, num_es_gprs; int num_ps_threads, num_vs_threads, num_gs_threads, num_es_threads; int num_ps_stack_entries, num_vs_stack_entries, num_gs_stack_entries, num_es_stack_entries; u64 gpu_addr; int dwords; switch (rdev->family) { case CHIP_R600: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV630: case CHIP_RV635: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 144; num_vs_threads = 40; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV610: case CHIP_RV620: case CHIP_RS780: case CHIP_RS880: default: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV670: num_ps_gprs = 144; num_vs_gprs = 40; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 136; num_vs_threads = 48; num_gs_threads = 4; num_es_threads = 4; num_ps_stack_entries = 40; num_vs_stack_entries = 40; num_gs_stack_entries = 32; num_es_stack_entries = 16; break; case CHIP_RV770: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 188; num_vs_threads = 60; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 256; num_vs_stack_entries = 256; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV730: case CHIP_RV740: num_ps_gprs = 84; num_vs_gprs = 36; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 188; num_vs_threads = 60; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; case CHIP_RV710: num_ps_gprs = 192; num_vs_gprs = 56; num_temp_gprs = 4; num_gs_gprs = 0; num_es_gprs = 0; num_ps_threads = 144; num_vs_threads = 48; num_gs_threads = 0; num_es_threads = 0; num_ps_stack_entries = 128; num_vs_stack_entries = 128; num_gs_stack_entries = 0; num_es_stack_entries = 0; break; } if ((rdev->family == CHIP_RV610) || (rdev->family == CHIP_RV620) || (rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880) || (rdev->family == CHIP_RV710)) sq_config = 0; else sq_config = VC_ENABLE; sq_config |= (DX9_CONSTS | ALU_INST_PREFER_VECTOR | PS_PRIO(0) | VS_PRIO(1) | GS_PRIO(2) | ES_PRIO(3)); sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(num_ps_gprs) | NUM_VS_GPRS(num_vs_gprs) | NUM_CLAUSE_TEMP_GPRS(num_temp_gprs)); sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(num_gs_gprs) | NUM_ES_GPRS(num_es_gprs)); sq_thread_resource_mgmt = (NUM_PS_THREADS(num_ps_threads) | NUM_VS_THREADS(num_vs_threads) | NUM_GS_THREADS(num_gs_threads) | NUM_ES_THREADS(num_es_threads)); sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(num_ps_stack_entries) | NUM_VS_STACK_ENTRIES(num_vs_stack_entries)); sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(num_gs_stack_entries) | NUM_ES_STACK_ENTRIES(num_es_stack_entries)); /* emit an IB pointing at default state */ dwords = ALIGN(rdev->r600_blit.state_len, 0x10); gpu_addr = rdev->r600_blit.shader_gpu_addr + rdev->r600_blit.state_offset; radeon_ring_write(rdev, PACKET3(PACKET3_INDIRECT_BUFFER, 2)); radeon_ring_write(rdev, #ifdef __BIG_ENDIAN (2 << 0) | #endif (gpu_addr & 0xFFFFFFFC)); radeon_ring_write(rdev, upper_32_bits(gpu_addr) & 0xFF); radeon_ring_write(rdev, dwords); /* SQ config */ radeon_ring_write(rdev, PACKET3(PACKET3_SET_CONFIG_REG, 6)); radeon_ring_write(rdev, (SQ_CONFIG - PACKET3_SET_CONFIG_REG_OFFSET) >> 2); radeon_ring_write(rdev, sq_config); radeon_ring_write(rdev, sq_gpr_resource_mgmt_1); radeon_ring_write(rdev, sq_gpr_resource_mgmt_2); radeon_ring_write(rdev, sq_thread_resource_mgmt); radeon_ring_write(rdev, sq_stack_resource_mgmt_1); radeon_ring_write(rdev, sq_stack_resource_mgmt_2); } static inline uint32_t i2f(uint32_t input) { u32 result, i, exponent, fraction; if ((input & 0x3fff) == 0) result = 0; /* 0 is a special case */ else { exponent = 140; /* exponent biased by 127; */ fraction = (input & 0x3fff) << 10; /* cheat and only handle numbers below 2^^15 */ for (i = 0; i < 14; i++) { if (fraction & 0x800000) break; else { fraction = fraction << 1; /* keep shifting left until top bit = 1 */ exponent = exponent - 1; } } result = exponent << 23 | (fraction & 0x7fffff); /* mask off top bit; assumed 1 */ } return result; } int r600_blit_init(struct radeon_device *rdev) { u32 obj_size; int i, r, dwords; void *ptr; u32 packet2s[16]; int num_packet2s = 0; /* pin copy shader into vram if already initialized */ if (rdev->r600_blit.shader_obj) goto done; mutex_init(&rdev->r600_blit.mutex); rdev->r600_blit.state_offset = 0; if (rdev->family >= CHIP_RV770) rdev->r600_blit.state_len = r7xx_default_size; else rdev->r600_blit.state_len = r6xx_default_size; dwords = rdev->r600_blit.state_len; while (dwords & 0xf) { packet2s[num_packet2s++] = cpu_to_le32(PACKET2(0)); dwords++; } obj_size = dwords * 4; obj_size = ALIGN(obj_size, 256); rdev->r600_blit.vs_offset = obj_size; obj_size += r6xx_vs_size * 4; obj_size = ALIGN(obj_size, 256); rdev->r600_blit.ps_offset = obj_size; obj_size += r6xx_ps_size * 4; obj_size = ALIGN(obj_size, 256); r = radeon_bo_create(rdev, NULL, obj_size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, &rdev->r600_blit.shader_obj); if (r) { DRM_ERROR("r600 failed to allocate shader\n"); return r; } DRM_DEBUG("r6xx blit allocated bo %08x vs %08x ps %08x\n", obj_size, rdev->r600_blit.vs_offset, rdev->r600_blit.ps_offset); r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (unlikely(r != 0)) return r; r = radeon_bo_kmap(rdev->r600_blit.shader_obj, &ptr); if (r) { DRM_ERROR("failed to map blit object %d\n", r); return r; } if (rdev->family >= CHIP_RV770) memcpy_toio(ptr + rdev->r600_blit.state_offset, r7xx_default_state, rdev->r600_blit.state_len * 4); else memcpy_toio(ptr + rdev->r600_blit.state_offset, r6xx_default_state, rdev->r600_blit.state_len * 4); if (num_packet2s) memcpy_toio(ptr + rdev->r600_blit.state_offset + (rdev->r600_blit.state_len * 4), packet2s, num_packet2s * 4); for (i = 0; i < r6xx_vs_size; i++) *(u32 *)((unsigned long)ptr + rdev->r600_blit.vs_offset + i * 4) = cpu_to_le32(r6xx_vs[i]); for (i = 0; i < r6xx_ps_size; i++) *(u32 *)((unsigned long)ptr + rdev->r600_blit.ps_offset + i * 4) = cpu_to_le32(r6xx_ps[i]); radeon_bo_kunmap(rdev->r600_blit.shader_obj); radeon_bo_unreserve(rdev->r600_blit.shader_obj); done: r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (unlikely(r != 0)) return r; r = radeon_bo_pin(rdev->r600_blit.shader_obj, RADEON_GEM_DOMAIN_VRAM, &rdev->r600_blit.shader_gpu_addr); radeon_bo_unreserve(rdev->r600_blit.shader_obj); if (r) { dev_err(rdev->dev, "(%d) pin blit object failed\n", r); return r; } rdev->mc.active_vram_size = rdev->mc.real_vram_size; return 0; } void r600_blit_fini(struct radeon_device *rdev) { int r; rdev->mc.active_vram_size = rdev->mc.visible_vram_size; if (rdev->r600_blit.shader_obj == NULL) return; /* If we can't reserve the bo, unref should be enough to destroy * it when it becomes idle. */ r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false); if (!r) { radeon_bo_unpin(rdev->r600_blit.shader_obj); radeon_bo_unreserve(rdev->r600_blit.shader_obj); } radeon_bo_unref(&rdev->r600_blit.shader_obj); } static int r600_vb_ib_get(struct radeon_device *rdev) { int r; r = radeon_ib_get(rdev, &rdev->r600_blit.vb_ib); if (r) { DRM_ERROR("failed to get IB for vertex buffer\n"); return r; } rdev->r600_blit.vb_total = 64*1024; rdev->r600_blit.vb_used = 0; return 0; } static void r600_vb_ib_put(struct radeon_device *rdev) { radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence); radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); } int r600_blit_prepare_copy(struct radeon_device *rdev, int size_bytes) { int r; int ring_size, line_size; int max_size; /* loops of emits 64 + fence emit possible */ int dwords_per_loop = 76, num_loops; r = r600_vb_ib_get(rdev); if (r) return r; /* set_render_target emits 2 extra dwords on rv6xx */ if (rdev->family > CHIP_R600 && rdev->family < CHIP_RV770) dwords_per_loop += 2; /* 8 bpp vs 32 bpp for xfer unit */ if (size_bytes & 3) line_size = 8192; else line_size = 8192*4; max_size = 8192 * line_size; /* major loops cover the max size transfer */ num_loops = ((size_bytes + max_size) / max_size); /* minor loops cover the extra non aligned bits */ num_loops += ((size_bytes % line_size) ? 1 : 0); /* calculate number of loops correctly */ ring_size = num_loops * dwords_per_loop; /* set default + shaders */ ring_size += 40; /* shaders + def state */ ring_size += 10; /* fence emit for VB IB */ ring_size += 5; /* done copy */ ring_size += 10; /* fence emit for done copy */ r = radeon_ring_lock(rdev, ring_size); if (r) return r; set_default_state(rdev); /* 14 */ set_shaders(rdev); /* 26 */ return 0; } void r600_blit_done_copy(struct radeon_device *rdev, struct radeon_fence *fence) { int r; if (rdev->r600_blit.vb_ib) r600_vb_ib_put(rdev); if (fence) r = radeon_fence_emit(rdev, fence); radeon_ring_unlock_commit(rdev); } void r600_kms_blit_copy(struct radeon_device *rdev, u64 src_gpu_addr, u64 dst_gpu_addr, int size_bytes) { int max_bytes; u64 vb_gpu_addr; u32 *vb; DRM_DEBUG("emitting copy %16llx %16llx %d %d\n", src_gpu_addr, dst_gpu_addr, size_bytes, rdev->r600_blit.vb_used); vb = (u32 *)(rdev->r600_blit.vb_ib->ptr + rdev->r600_blit.vb_used); if ((size_bytes & 3) || (src_gpu_addr & 3) || (dst_gpu_addr & 3)) { max_bytes = 8192; while (size_bytes) { int cur_size = size_bytes; int src_x = src_gpu_addr & 255; int dst_x = dst_gpu_addr & 255; int h = 1; src_gpu_addr = src_gpu_addr & ~255ULL; dst_gpu_addr = dst_gpu_addr & ~255ULL; if (!src_x && !dst_x) { h = (cur_size / max_bytes); if (h > 8192) h = 8192; if (h == 0) h = 1; else cur_size = max_bytes; } else { if (cur_size > max_bytes) cur_size = max_bytes; if (cur_size > (max_bytes - dst_x)) cur_size = (max_bytes - dst_x); if (cur_size > (max_bytes - src_x)) cur_size = (max_bytes - src_x); } if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) { WARN_ON(1); } vb[0] = i2f(dst_x); vb[1] = 0; vb[2] = i2f(src_x); vb[3] = 0; vb[4] = i2f(dst_x); vb[5] = i2f(h); vb[6] = i2f(src_x); vb[7] = i2f(h); vb[8] = i2f(dst_x + cur_size); vb[9] = i2f(h); vb[10] = i2f(src_x + cur_size); vb[11] = i2f(h); /* src 9 */ set_tex_resource(rdev, FMT_8, src_x + cur_size, h, src_x + cur_size, src_gpu_addr); /* 5 */ cp_set_surface_sync(rdev, PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr); /* dst 23 */ set_render_target(rdev, COLOR_8, dst_x + cur_size, h, dst_gpu_addr); /* scissors 12 */ set_scissors(rdev, dst_x, 0, dst_x + cur_size, h); /* 14 */ vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used; set_vtx_resource(rdev, vb_gpu_addr); /* draw 10 */ draw_auto(rdev); /* 5 */ cp_set_surface_sync(rdev, PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA, cur_size * h, dst_gpu_addr); vb += 12; rdev->r600_blit.vb_used += 12 * 4; src_gpu_addr += cur_size * h; dst_gpu_addr += cur_size * h; size_bytes -= cur_size * h; } } else { max_bytes = 8192 * 4; while (size_bytes) { int cur_size = size_bytes; int src_x = (src_gpu_addr & 255); int dst_x = (dst_gpu_addr & 255); int h = 1; src_gpu_addr = src_gpu_addr & ~255ULL; dst_gpu_addr = dst_gpu_addr & ~255ULL; if (!src_x && !dst_x) { h = (cur_size / max_bytes); if (h > 8192) h = 8192; if (h == 0) h = 1; else cur_size = max_bytes; } else { if (cur_size > max_bytes) cur_size = max_bytes; if (cur_size > (max_bytes - dst_x)) cur_size = (max_bytes - dst_x); if (cur_size > (max_bytes - src_x)) cur_size = (max_bytes - src_x); } if ((rdev->r600_blit.vb_used + 48) > rdev->r600_blit.vb_total) { WARN_ON(1); } vb[0] = i2f(dst_x / 4); vb[1] = 0; vb[2] = i2f(src_x / 4); vb[3] = 0; vb[4] = i2f(dst_x / 4); vb[5] = i2f(h); vb[6] = i2f(src_x / 4); vb[7] = i2f(h); vb[8] = i2f((dst_x + cur_size) / 4); vb[9] = i2f(h); vb[10] = i2f((src_x + cur_size) / 4); vb[11] = i2f(h); /* src 9 */ set_tex_resource(rdev, FMT_8_8_8_8, (src_x + cur_size) / 4, h, (src_x + cur_size) / 4, src_gpu_addr); /* 5 */ cp_set_surface_sync(rdev, PACKET3_TC_ACTION_ENA, (src_x + cur_size * h), src_gpu_addr); /* dst 23 */ set_render_target(rdev, COLOR_8_8_8_8, (dst_x + cur_size) / 4, h, dst_gpu_addr); /* scissors 12 */ set_scissors(rdev, (dst_x / 4), 0, (dst_x + cur_size / 4), h); /* Vertex buffer setup 14 */ vb_gpu_addr = rdev->r600_blit.vb_ib->gpu_addr + rdev->r600_blit.vb_used; set_vtx_resource(rdev, vb_gpu_addr); /* draw 10 */ draw_auto(rdev); /* 5 */ cp_set_surface_sync(rdev, PACKET3_CB_ACTION_ENA | PACKET3_CB0_DEST_BASE_ENA, cur_size * h, dst_gpu_addr); /* 78 ring dwords per loop */ vb += 12; rdev->r600_blit.vb_used += 12 * 4; src_gpu_addr += cur_size * h; dst_gpu_addr += cur_size * h; size_bytes -= cur_size * h; } } }